function bgImgRotate() 
{ 
	var images = Array( "images/login_screens/loginscreen7.jpg", "images/login_screens/loginscreen2.jpg", "images/login_screens/loginscreen3.jpg", "images/login_screens/loginscreen4.jpg", "images/login_screens/loginscreen5.jpg", "images/login_screens/loginscreen6.jpg", "images/login_screens/loginscreen1.jpg", "images/login_screens/loginscreen11.jpg", "images/login_screens/loginscreen9.jpg", "images/login_screens/loginscreen10.jpg", "images/login_screens/loginscreen8.jpg"); 
	var min = 0;
	var max = 10;
	
	var index = Math.floor(Math.random() * (max - min + 1)) + min;
	document.getElementById('mainImage').src = images[index]; 
} 

function closeSurvey(div_id)
{
	document.getElementById(div_id).style.display = "none";
}

function locationTextColor(){
	if ((document.getElementById('specifyLocation').checked == 1) && !(document.getElementById('specificLocation').value == 'Region Name')) {
		document.getElementById('specificLocation').style.color = '#FFFFFF';
	} else {
		document.getElementById('specificLocation').style.color = '#666666';
	}
}

function selectRegionRadio(){
	document.getElementById('specifyLocation').checked = 1;
}


function CheckFieldsNotEmpty(){
	var mUsername = document.getElementById('firstname_input');
	var mLastname = document.getElementById('lastname_input');
	var mPassword =document.getElementById('password_input');
	var myButton = document.getElementById('conbtn');
		
	if (( mUsername.value != "") && (mLastname.value != "") && (mPassword.value != "") )
	{
			myButton.disabled = false;
			myButton.className = "input_over";
	}else
	{
		myButton.disabled = true;
		myButton.className = "pressed";
	}
}